1 files changed, 107 insertions, 0 deletions
diff --git a/plat/brcm/board/common/bcm_elog_ddr.h b/plat/brcm/board/common/bcm_elog_ddr.h
new file mode 100644
index 0000000..6f21a68
--- /dev/null
+++ b/plat/brcm/board/common/bcm_elog_ddr.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2019-2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BCM_ELOG_DDR_H
+#define BCM_ELOG_DDR_H
+
+#define ELOG_GLOBAL_META_HDR_SIG	0x45524c47
+#define ELOG_MAX_REC_COUNT		13
+#define ELOG_MAX_REC_FORMAT		1
+#define ELOG_MAX_NVM_TYPE		4
+/* Use a default NVM, set by m0 configuration */
+#define ELOG_NVM_DEFAULT		0xff
+
+/* Max. number of cmd parameters per elog spec */
+#define ELOG_PARAM_COUNT		3
+/*
+ * Number of supported RECORD Types-
+ * SYSRESET, THERMAL, DDR_ECC, APBOOTLG, IDM
+ */
+#define ELOG_SUPPORTED_REC_CNT		5
+
+#define ELOG_REC_DESC_LENGTH		8
+
+#define ELOG_SECTOR_SIZE		0x1000
+
+/* Default Record size for all record types except APBOOTLOG */
+#define ELOG_DEFAULT_REC_SIZE		0x10000
+
+/* Default record size for APBOOTLOG record */
+#define ELOG_APBOOTLG_REC_SIZE		0x60000
+
+/* Use default CRMU provided mem address */
+#define ELOG_USE_DEFAULT_MEM_ADDR	0x0
+
+/* Temporary place to hold metadata */
+#define TMP_ELOG_METADATA_BASE		(ELOG_AP_UART_LOG_BASE + \
+					 BCM_ELOG_BL2_SIZE)
+/* IDM ELOG source memory address */
+#define ELOG_IDM_SRC_MEM_ADDR		0x8f213000
+
+#define IDM_ELOG_REC_TYPE		5
+
+enum elog_record_type {
+	ELOG_REC_SYS_RESET_EVT = 0,
+	ELOG_REC_THERMAL_EVT,
+	ELOG_REC_DDR_ECC,
+	ELOG_REC_UART_LOG,
+	ELOG_REC_IDM_LOG,
+	ELOG_REC_MAX
+};
+
+enum elog_record_format {
+	ELOG_REC_FMT_ASCII = 0,
+	ELOG_REC_FMT_CUSTOM
+};
+
+enum elog_src_memory_type {
+	ELOG_SRC_MEM_TYPE_CRMU_SCRATCH = 0,
+	ELOG_SRC_MEM_TYPE_FS4_SCRATCH,
+	ELOG_SRC_MEM_TYPE_DDR,
+	ELOG_SRC_MEM_TYPE_CHIMP_SCRATCH
+};
+
+enum elog_setup_cmd {
+	ELOG_SETUP_CMD_VALIDATE_META,
+	ELOG_SETUP_CMD_WRITE_META,
+	ELOG_SETUP_CMD_ERASE,
+	ELOG_SETUP_CMD_READ,
+	ELOG_SETUP_CMD_CHECK
+};
+
+struct elog_setup {
+	uint32_t cmd;
+	uint32_t params[ELOG_PARAM_COUNT];
+	uint32_t result;
+	uint32_t ret_code;
+};
+
+struct elog_meta_record {
+	uint8_t type;
+	uint8_t format;
+	uint8_t src_mem_type;
+	uint8_t alt_src_mem_type;
+	uint8_t nvm_type;
+	char rec_desc[ELOG_REC_DESC_LENGTH];
+	uint64_t src_mem_addr;
+	uint64_t alt_src_mem_addr;
+	uint64_t rec_addr;
+	uint32_t rec_size;
+	uint32_t sector_size;
+	uint8_t padding[3];
+} __packed;
+
+struct elog_global_header {
+	uint32_t signature;
+	uint32_t sector_size;
+	uint8_t revision;
+	uint8_t rec_count;
+	uint16_t padding;
+} __packed;
+
+void elog_init_ddr_log(void);
+
+#endif /* BCM_ELOG_DDR_H */